linux-kernel - [PATCH v2 2/2] mtd: nand: raw: brcmnand: When oops in progress use pio and interrupt polling

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1558022399-24863-2-git-send-email-kdasu.kdev@gmail.com>
Date:   Thu, 16 May 2019 11:45:40 -0400
From:   Kamal Dasu <kdasu.kdev@...il.com>
To:     linux-mtd@...ts.infradead.org
Cc:     bcm-kernel-feedback-list@...adcom.com,
        linux-kernel@...r.kernel.org, Kamal Dasu <kdasu.kdev@...il.com>,
        Brian Norris <computersforpeace@...il.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>,
        Marek Vasut <marek.vasut@...il.com>,
        Vignesh Raghavendra <vigneshr@...com>
Subject: [PATCH v2 2/2] mtd: nand: raw: brcmnand: When oops in progress use pio and interrupt polling

If mtd_oops is in progress switch to polling for nand command completion
interrupts and use PIO mode wihtout DMA so that the mtd_oops buffer can
be completely written in the assinged nand partition.

Signed-off-by: Kamal Dasu <kdasu.kdev@...il.com>
---
 drivers/mtd/nand/raw/brcmnand/brcmnand.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index a30a7f0..dca8eb8 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -835,7 +835,6 @@ static inline void disable_ctrl_irqs(struct brcmnand_controller *ctrl)
 	}
 
 	disable_irq(ctrl->irq);
-
 	ctrl->pio_poll_mode = true;
 }
 
-- 
1.9.0.138.g2de3478